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FILE - In this 1988 photo released by NFL Photos, Chicago Bears safety Dave Duerson poses for a photo. Duerson made it easy to understand why he was ending his tortured life. Before firing a bullet into his chest last year, he left word with his family to have his brain examined for damage he believed was caused by repeated blows to the head from his hell-bent style on the football field. Junior Seau was an even bigger NFL star, and yet he ended his life in much the same way as Duerson and former Atlanta Falcons safety Ray Easterling; self-inflicted gunshots to the chest. (AP Photo/NFL Photos)
/ AP